Choose a title for your piece and press Save. The Hyperscore file extension, .hsc will automatically apendded to the file name.
Saving using the Save to My Music menu item will add these
files to your My Music section of the music library. These files will be available
through the music library file browser the next time you start Hyperscore. Files
saved in other locations will not be accessable throgh the library, but may
be loaded by simply using the File->Open menu item or pressing
Ctrl+O.